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[IDV #NBG-538017]: background map disappears when adding image from drawing control

> Hi-
> 
> If I load in a background image (e.g. the Blue Marble) and then add an
> image using the drawing control, the background image disappears.  I'm
> guessing that there is a conflict between the ScalarMaps of the drawing
> control image and the data and/or maps for the background image.  It
> could be that the overlay image is adding alpha and that is not set or
> set to transparent in the background image.  Steps to reproduce this:
> 
> - Start the IDV
> - Click on the world icon in the toolbar to load in the blue marble map
> (or select Displays->Maps and Backgrounds->Add Background Image)
> - Click on the pencil icon in the toolbar (or select
> Displays->Special->Drawing Control)
> - Click on the Create Image button (9th icon in Shapes)
> - Add in an image from the dialog (mine is attached).
> 
> BTW, this predates the changes that Yuan made for Bill Fingerhut.
> 
> Don
> --

Ok, this is fixed now with Don's check in.


Yuan
> Don Murray
> NOAA/ESRL/PSD and CIRES
> 303-497-3596
> http://www.esrl.noaa.gov/psd/people/don.murray/
> 
> 


Ticket Details
===================
Ticket ID: NBG-538017
Department: Support IDV
Priority: High
Status: Closed